We have Ozar make HSSE Machine Tap are now available with spiral and st.flute, Consistent and tight thread tolerance, high operating parameters suitable for CNC/SPM machines, material specific tool geometry for optimal performance, surface treatment to suit application material for greater wear & heat resistance. Machine Taps are High Speed Steel Hand Taps with straight flutes are designed for general purpose hand tapping or in production machines where ground thread accuracy and performance are required. They are suitable for tapping most materials in through or blind holes.